FIRST AMERICAN EDITION of Stephens' follow-up to Incidents of Travel in Central America, Chiapas, and Yucatan. Both books served to establish the field of Mayan archaeology. "Stephens provided accurate, detailed descriptions of the ruins, and he was the first to establish that the many Mayan sites were part of a single civilization that existed up to the time of the Spanish conquest and that the Indians were the direct descendants of that civilization" (ANB). Sabin 91299.